Home / 198,468.45-273,885.30-107,823.69

Finding the Fourth Proportional to 198,468.45, 273,885.30 and 107,823.69

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Solution

The fourth proportional to 198,468.45, 273,885.30 and 107,823.69 is: 148,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,468.45 : 273,885.30 = 107,823.69 : x
  2. Step 2: Convert to fraction form
    198,468.45/273,885.30 = 107,823.69/x
  3. Step 3: Cross multiply
    198,468.45x = 273,885.30 × 107,823.69
  4. Step 4: Simplify right side
    198,468.45x = 29,531,323,682.76
  5. Step 5: Solve for x
    x = 29,531,323,682.76/198,468.45
  6. Step 6: Final answer
    x = 148,796.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.